What is the chemical formula of washing soda and what happens when it exposed in air?
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Chemical formula-Na2CO3.10H2OWashing soda crystals show efflorescence. As the vapour pressure of water inside the crystal is more than that of outer atmosphere, so they lose the water of crystallisation and turn into an amorphous white solid from a blue crystal.
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chemical formula of washing soda = Na2CO3 .10H2O
when it is exposed in air it lost 9 water molecules and become Na2CO3.H2O sodium monohydrate.
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